Module lib.container.weaktable
weaktable - a table with weakly held keys
	
	| new (t) | Create a table with weakly held keys | 
    
    
    - 
    
    new (t)
    
- 
    Create a table with weakly held keys  A table with weakly held keys allows objects to be used as keys within the
 table but it won't prevent those objects from being garbage collected
    Parameters:
        - t
            table
         Initial table contents, optional.
        
 Returns:
           table